html,
body {
	height: 100%;
}

#app {
	height: 100%;
	width: 100%;
	display: flex;
	flex-direction: column;
}
header{
	height: 81px;
	line-height: 81px;
	background-color: #FF4500;
	color: white;
	
	
}
section{
	flex: 1;
	overflow-y: scroll;
}
footer{
	height: 46px;
	line-height: 46px;
	text-align: center;
}
#kong
			{
				margin-top: 150px;
			}